Near-Infrared Soliton Mode-Locked Thulium Doped Fibre Laser Using WS2-ZnO Composite Material as Saturable Absorber

Harith Ahmad, Hadieh Monajemi, Muhammad Zharif Samion, Norazriena Yusoff, Mohd Faizal Ismail, Mohamad Yasin, Leonard Bayang

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

The generation of a highly stable passive mode locking laser is realized in a thulium doped fibre laser using a WS2-ZnO composite as a saturable absorber. Soliton mode locking pulses are generated with a central wavelength of 1936 nm and full-width half maximum (FWHM) of 3.06 nm. The first order Kelly's side band is located at around 5.65 nm from the central wavelength which gives the calculated pulse width value of 1.26 ps. This value corresponds well with the measured pulse width of 1.27 ps using the autocorrelator. The output power of the laser is around 0.44 mW with the peak power of 29.7 W and repetition rate of 9.96 MHz. This laser set-up is highly robust and realizes highly stable laser pulses in the mid-IR wavelength range for a multitude of applications.

Original languageEnglish
Article number8845614
JournalIEEE Photonics Journal
Volume11
Issue number5
DOIs
Publication statusPublished - Oct 2019
Externally publishedYes

Keywords

  • 2 micron
  • Fiber Laser
  • Thulium

Fingerprint

Dive into the research topics of 'Near-Infrared Soliton Mode-Locked Thulium Doped Fibre Laser Using WS2-ZnO Composite Material as Saturable Absorber'. Together they form a unique fingerprint.

Cite this